High pressure casting Because the molten metal in the process of filling the cavity under high pressure and high speed, the air in the cavity will inevitably be clamped inside the casting to form subcutaneous pores, so aluminum alloy die castings should not be heat treated, and zinc alloy die castings should not be sprayed on the surface (but can be painted). Otherwise, the internal pores of the casting will be thermally expanded when heated as described above, resulting in deformation or bubbling of the casting.
2023-12-28
Machining allowance of die castings
Gravity casting It is widely used in the production of various non-ferrous castings, but metal mold casting also has the disadvantages of low metal utilization rate, difficult pouring of thin-walled complex castings, and low casting tissue density relative to pressure casting.
2023-12-28
When using metal mold casting, the following factors must be considered
When using metal mold casting, the following factors must be comprehensively considered: long manufacturing cycle, high cost, not suitable for single-piece and small-batch production; It is not suitable for casting complex shapes (especially inner cavities), thin-walled and large castings (metal molds are limited by the size of mold materials and the capacity of cavity processing equipment and casting equipment, so metal molds are not suitable for the production of particularly large castings).
2023-12-28
Metal casting (metal casting) is the metal smelting into a liquid that meets certain requirements and poured into the mold, after cooling solidification, cleaning treatment to get a predetermined shape, size and performance of the casting process. Casting blank because of nearly forming, and to achieve the purpose of no machining or a small amount of processing to reduce the cost and reduce the time to a certain extent, casting is one of the basic processes of modern machinery manufacturing industry.
2023-12-28
Shandong Jiayao Building Materials Co., Ltd
Shandong Jiayao Building Materials Co., Ltd.